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1.
河南开封淀粉厂生态经济示范工程结构模型与投入产出模型的研究 总被引:1,自引:0,他引:1
河南开封淀粉厂生态经济示范工程结构模型与投入产出模型的研究刘玉萃,赵伟(河南农业大学,郑州450002)StructuralModelandInput-OutputModelofEcolomicalDemonstrationProjectinKaifengStarchFac-toryofHenanProvince¥.LiuYucui;ZhaoWei(HenanAgriculturalUniwrsity,Zhengzhou450002).Chi-neseJourualofEcology,1993,12(2):61-65.Basedontheintegrityofsystemandrelationshipbetweenvarioussubsystemsandemployingtransitionalstructuralmodel,themultilevelgradientstructuresofsystemarefoundfromtemporalandspatialdimen-sions.Accordingtothedissipateandreproductivefeaturesofecosystemandus 相似文献
2.
浸润垄作稻田土壤生态系统的研究 总被引:7,自引:0,他引:7
浸润垄作稻田土壤生态系统的研究魏朝富,高明,车福才,邓春(西南农业大学土化系重庆630716)AStudyonInfiltrated-RidgedPaddySoilEcosystem¥.WeiChaofu;GaoMing,CheFuchai;DengChun(SouthwestAgriculluralUniversity,).ChineseJournalofEcology,1993,12(3):26-30;Thispaperdealswichaninfiltrated-ridgedpaddysoilecosystemwhichisconstructedbyridgingandcon-tinuousfurrowinfiItratiOnirrigation,ComparingwithlevelinfiItratedpaddysoilecosystem,thisecosys-temhascoexistedgas-liquid,gas-solidandliquid-solidinterfaces,enlargessoilsurfaceby38%andincreasescuItivatedlayerby5-10cm. 相似文献
3.
最大概率原理在农田生态系统中的应用 总被引:6,自引:0,他引:6
最大概率原理在农田生态系统中的应用姚建民(山西省农科院农业资源综合考察研究所,太原030006)马蓉丽(山西省农科院蔬菜研究所,太原030006)ApplicationofMaximumProbabilityPrincipleinFarmlandEcosystem¥.YaoJianmin(InsliluteforCom-prehensiveSurveyofAgriculturalResources,ShanxiAcademyofAgriculturalSciences,Taiyuan030006),MaRongli(InslituteofVegetableResearcgh,ShanxiAcademyofagriculturalSciences,Taiyuan(030006).Chinese,JpurnalofEcology,1993,12(4):58-60.Inordertostrengthenthepracticabilityofmaximumprobabilityprinciple,thispapergivesoutsomees-sentialconditionsneededforapplyingth 相似文献
4.
用全息观点看农业生态经济系统 总被引:3,自引:0,他引:3
用全息观点看农业生态经济系统曹志平(北京农业大学生物学院,100094)AnalysisofAgro-EcolomicSystemFromtheViewpointsofHolograpby.¥CaoZhiping(CollegeofBiology,B... 相似文献
5.
农业系统生产力(ASP)的量化及其现状分析 总被引:6,自引:0,他引:6
农业系统生产力(ASP)的量化及其现状分析卢进登,韩纯儒(北京农业大学农学系,100094)QuantificationofAgrosystemProductivity(ASP)andAnalysisonitsCurrentSituationinCbina¥.LuJin-deng;HanChunru(BeijingAgriculturalUniversityfBeijing100094).ChineseJournalofEcology,1993,12(2):21-22.BasedonabriefanalysisontheformationprocessofASP,itsconceptisdescribedandanintegratedindi-catorforitsquantification—ASP2isputforwards.Fromthose,theASPlevelsinvariousregionsofChinaareanalyzedand8levelsaredividedbyusing.Hierarchicclusteringmethod.It’s:clarifiedthatAS-PIisamore 相似文献
6.
中国南方低丘红壤区人工复合生态系统模式建造研究 总被引:2,自引:0,他引:2
中国南方低丘红壤区人工复合生态系统模式建造研究徐盛荣,吴珊眉,李辉信(南京农业大学土壤农业化学系,210014)ModelingofArtificialComplexEcosysteminLow-hillyRedSoilRegionofSouthCbina¥.XuShengrong;WuShanmei;LiHuixin(DepartmentofSoilScienceandAgriculturalChemistry,NanjingAgriculturalUniversity).ChineseJournalofEcology,1993,12(2):39—40.Thispaperresearchesintothemodelingofartificialcomplexecosystemincorporatingcrop,fruit,forestandanimalhusbandrywithinacatchmentarea,whichisabasicunitoflowhillyregioninsouthChina.Themodelproducessignificantandcomprehensiveprofits.Fi 相似文献
7.
太岳山丘陵地带中国林蛙成体的肥满度和某些器官系数的季节变化 总被引:8,自引:0,他引:8
太岳山丘陵地带中国林蛙成体的肥满度和某些器官系数的季节变化卢欣(山西省生物研究所,太原030006)SeasonalVariationsofAdult’sCorpulenceDegreeandOthcrOrgans’IndicesofCommonFrogsinTaiyucMountainIIillyLands¥.LuXin(ShanxiInstituteofBiology,Taiyuan030006).ChineseJournalofEcolo-gy,1993,12(4):33-35.InvestigationswerecarriedoutfrornFebruary1989toApril1990inTaiyuemountainofShanxiprovince.Theadult'scorpulencedegreeofcommonfrogsishigherduringhibernationaidlowestinMayandJune,andthatofmalesissignlficantlyhigherthanfemales’(exceptinAugust).DuringApril-August,thecoef- 相似文献
8.
杉木火力楠混交林根系的研究 总被引:28,自引:0,他引:28
杉木火力楠混交林根系的研究李振问,杨玉盛,吴擢溪,赖仕嶂(福建林学院,南平353001)(福建尤溪县林业科学研究所,365200)RootSystemofMixedStandofChineseFirandHomana ¥LiZhenwen;YangYusheng(FujianForestryCollege,Nanping353001),WuZhouxi;LaiShizhang(ForestryResearchInstituteofYouxiCounty,Fu-jianProvince365200).ChineseJournalofEcology,1993,12(1):20-24。Therootsystemofa6-yearmixedstandofChinesefirandHomanaisstudiedby"soilcolumn"and"standardsampletree"methods.Thefineroot(lessthan2mmindiameter)biomassofindividualtreeofChinesefirinmixedstandis14.5%higherthaninpurestand,w 相似文献
9.
棉花苗蚜尖角突变模型及其分析 总被引:1,自引:0,他引:1
棉花苗蚜尖角突变模型及其分析赵惠燕,汪世泽,岳妙云(西北农业大学植保系,陕西杨陵712100)CuspMutationModelofCottonSeedlingAphidsandItsAnalysis¥ZhaoHuiyan;WangShize;YueMiaoyun(DepartmentofPlantProtection,NorthwesternAgriculturalUniversity,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(1):62-66。Thedynamicsystemofcottonseedlingaphids,itsnaturalenemiesandclimateisstudied.Adefinitemodelofcuspmutationissetupandmutationregionsaredetermined.Thecontrolandstatevariablesofthesystemvarywithtime,andtheboundaryvaluesdeterminedbycontrolvariables 相似文献
10.
丘陵旱作区农业产业结构优化模式的研究吴明根,张哲鸿,李宗铁,郑哲(延边农学院,133400)BreedingStructuralOptimizingModelofUplandAgricultureinMountainousRegion¥.WuMinggen;ZhangZhehong;LiZongtie;ZhengZhe(YanbianAgriculturalCollege,JilinProvince133400).ChineseJournalofEcofogy,1993,12(2):49-50.Onthebasisofrationaldistributionofforest,grasslandandfruitgardeninagroecosystem,theagroeco-logicalenvironmentofhillyuplandcroppingareaisimprovedbyreadjustinglandutilizationstructure,ex-pandingvegetativelandareaandoptimizingbreedingstructure.None—productiveoutpu 相似文献
11.
小清河有机化合物污染及其对污灌区生态系统的影响 总被引:7,自引:1,他引:6
小清河有机化合物污染及其对污灌区生态系统的影响田家怡,张洪凯,薄景美,王福花,于荣云(山东省滨州地区环境保护监测站,滨州256614)OrganicCompoundPollutioninXiaoqingRiverandltsInfluenceonEcosystemofSewage-IrrigatcdArea¥.TianJiayi,ZhangHongkai,BaoJingmei,WangFuhua,YuRongyun(EnuironmentalMonitoringSlationofBinzhouPrefecture,ShandongProuince,Binzhou256614).ChineseJournalofEcology,1993,12(4):14-22.Thispapermakesaqualitativeandquantitativeanalysisoforganiccompoundsinindustrialpollutionsources,waterbodyandbottommudofXiaoqingriverandsoils,undergroundwaterandagriculturalproduc 相似文献
12.
宁南山区灌溉农业立体复合种植生态系统生产力的研究 总被引:1,自引:0,他引:1
宁南山区灌溉农业立体复合种植生态系统生产力的研究杜守宇田恩平,王占山(宁夏农业技术推广总站,银川750001)(固原县农业技术推广中心,756000)StudyonProductivityofIrrigatedStereoscopicMultiple-CroppingEcosystemsinMountainousAreaofSouthernNingxia¥DuShouyu(CelleralStationofAgriculturalTechniqueExtensionofNingxia,Yinchuan750001),TianEnping,WangZhanshan(AgriculturalTechniqueExtensionCenterofCuyuancounty,756000).ChineseJournalofEcology,1993.12(6):11-16.ThevariouscroppingecosystemsareassessedcomprehensivelyforbenefitbytheanalysisofHierarchicalprocedureandtheexpectedbeneficialva 相似文献
13.
14.
石松生物学特性及生境特点的观察叶茂宗,叶升儒(浙江省科学院亚热带作物研究所温州325000)(温州师范学院生物系325000)BiologicalPropertiesandHabitatCharacteristicsofLycopodiaceae¥.YeMaozhong(InstituteofSubtropi-calCrops,ZhejiangAcademyofSciences,Wenzhou325000),YeShengru(WenzhouNormalCOllege,325000).ChineseJournalofEcology,1993,12(3):19-22。SiteinvestigationsshowthatthegrowthanddevelopmentofLycopodiaceaeexhibitobvioushydrotropismandgeotropism,anditsdistributionaggregatelyconcentratesonthesidesofvaIley300-1400mabovesealevelandbrookbanks.whereveritisdistributed,th 相似文献
15.
持续农业是生态农业的继续与发展 总被引:10,自引:2,他引:8
持续农业是生态农业的继续与发展袁从,赵强基(江苏省农业科学院,南京210014)SustainableAgriculture—TheContinuationandDevelopmentofEcologicalAgriculture.¥YuanCongyi;ZhaoQiangji(JiangsuAcadenzyofAgriculturalSciences,Nanjing210014).ChineseJoumalofEcology,1993,12(2):13-15.Inlightoftheconditionofourcountry,thispaperintroducestheconceptsandcontentsofsustainablea-gricultureanditsquantitativeevaluationindices──sustainability,stability,equalityandharmonity(di-versity).Simplifiedsysteminput—outputequilibriumisusedtoestimatethedynamicsofsoilfertility.P 相似文献
16.
柞蚕林生物生产力和干物质转化研究 总被引:5,自引:0,他引:5
柞蚕林生物生产力和干物质转化研究温达志,杨思河(中国科学院华南植物研究所,广州510650)(中国科学院沈阳应用生态研究所,110015)姜波(辽宁省蚕业科学研究所,凤城118101)BioproductivityandDryMatterTransferofTussah-FeedingOakForest¥WenDazhi(SouthChinaInsti-tuteofBotany,AcademiaSinica,Guangzhou510650),YangSihe(InstituteofAppliedEcology,A-cademiaSinica,Shenyang110015),JiangBo(InstituteofSericulturalScience,Fengcheng,LiaoningProvince113100).ChineseJournalofEcology,1993,12(1):5-10.ThepresentstudydealswiththebioproductivityanddrymattertransferofChineseTussah-feedingoakforestinhillyareaofe 相似文献
17.
贾孟春 《基因组蛋白质组与生物信息学报(英文版)》1995,(1)
RegulationofC-FosmRNAExpressioninSertoliCellsbycAMP,Ca~(++),andproteinKinaseC-mediatedPathways¥JIAMeng-chun;(贾孟春);NeelakantaR?.. 相似文献
18.
农业生态系统的人类生态学分析模式探讨李季(北京农业大学农业生态环境科学系,100094)AnAnalyticalModelofAgroecosystemfromHumanEcologyPerspective¥.LiJi(DepartmentofEcologyandEnvironmentalSciences,BeijingAgriculturalUniversity100094).ChineseJournalofEcology,1993,12(2):23-24.Basedontheanalysisofourcurrentagro-ecologicalrcsearch,anewanalyticalmodelofagro-ecosystemkestablishedandthecontentsofitsresearcharerestructured.Theaimoftheseistoprovideamodelforthedevelopmentofregionalagriculture,whichcannotonlyexpandthecurrentrelatedtheoriesandmethodologies,but 相似文献
19.
温度,pH对菌根真菌生长影响的研究 总被引:10,自引:0,他引:10
温度、pH对菌根真菌生长影响的研究韩桂云,齐玉臣,刘忱,周玉芝(中国科学院沈阳应用生态研究所,110015)EffectsofTemperatureandpHonMycorrbizalFungusGrowth¥HanGuiyun;QiYuChen;LiuChen;ZhouYuzhi(InstituteofAppliedEcology,AcademiaSinica,Shenyang110015).ChineseJournalofEcology,1993,12(1):15-19。TheeffectsoftemperatureandpHonthegrowthof19purestrainsofmycorrhizalfungiareinvestigated.TheoptimumtemperatureandpHarefoundandrelationshipsbetweenadaptablerangesoftemperatureandpHformycorrhizalfungusgrowthandtheirecologicaldistributionareindicated.Keywords:temperature,pH, 相似文献
20.
集约高产过程中土壤有机质动态初探 总被引:2,自引:0,他引:2
集约高产过程中土壤有机质动态初探崔玉亭,韩纯儒(北京农业大学,100094)DynamicsofSoilOrganicMatter(SOM)intheProcessofAgriculturalIntensification¥.CuiYuting;HanChunru(BeijingAgriculturalUniversity,100094).ChineseJournalofEcology,1993,12(2):37—38.Inthispaper,thebalanceofsoilorganicmatter(SOM)intheprocessofagriculturalintensificationinChangzhouregionisstudiedandamedium-andlong-termpredictionofitsdynamicsismade。There-sultsshowthatduringthisprocess,thebalanceofSOMisgettingbetter,andafteramediumorlongpe-riod(e.g,10—20yeats),theSOMcontentcangett 相似文献